Product Specifications Material:45# Steel Cylinder Material:Copper Lock Diameter:2-7/8"/73mm Lock Thickness:1-1/2"/38.4" Cylinder Types:6-Pin Key Type:Keyed Alike Made of 45# steel, the 73mm-diameter, 40mm-high lock body with a black chrome finish resists rust and corrosion. Its die-cast core and hidden hardened shackle withstand bolt cutters. With a 203mmx113mmx4mm high-grade steel hasp, it offers double protection. The 6-pin copper cylinder is user-friendly yet pick-resistant. This lock is for real-world use, ideal for securing garages, vehicles, containers, lockers, etc. In industry, it represents strength and steadfast protection for assets.